Or this, with Intel parts, should give better gaming performance than the 2700x.
PCPartPicker part list:
https://pcpartpicker.com/list/6CXyZR
Price breakdown by merchant:
https://pcpartpicker.com/list/6CXyZR/by_merchant/
CPU: Intel - Core i5-9600K 3.7 GHz 6-Core Processor ($259.99 @ B&H)
CPU Cooler: be quiet! - Dark Rock 4 CPU Cooler ($68.99 @ SuperBiiz)
Motherboard: Gigabyte - Z390 GAMING X ATX LGA1151 Motherboard ($139.99 @ Amazon)
Total: $468.97
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2019-02-18 07:22 EST-0500
If you do decide the 2700x is the way to go, try out the OC with the stock cooler and only get a better cooler if you find you're struggling with temps whilst maintaining a stable overclock